The isis ipv6 bfd static command enables an IS-IS interface to create static IPv6 BFD sessions.
The undo isis ipv6 bfd static command cancels the configuration.
By default, an IS-IS interface is disabled from creating static IPv6 BFD sessions.
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Usage Scenario
BFD can provide millisecond-level fault detection, help IS-IS to detect the faults that occur on neighboring devices or links more quickly, and instruct IS-IS to recalculate routes for correct packet forwarding.
The isis ipv6 bfd static command can be used to enable an IS-IS interface to create static IPv6 BFD sessions. To configure static IPv6 BFD sessions, you need to configure the local discriminator and remote discriminator, enable static BFD on the interface, and configure an IP address for the interface.Prerequisites
BFD has been enabled globally, and the IS-IS process has been started on a specified interface.
Configuration Impact
After static IPv6 BFD is configured on an IS-IS interface, the interface responds to static IPv6 BFD messages.
Precautions
If the isis ipv6 bfd block, isis ipv6 bfd enable, and isis ipv6 bfd static commands are run, only the last command takes effect.
<HUAWEI> system-view [~HUAWEI] isis 1 [*HUAWEI-isis-1] ipv6 enable [*HUAWEI-isis-1] quit [*HUAWEI] interface GigabitEthernet0/1/0 [*HUAWEI-GigabitEthernet0/1/0] ipv6 enable [*HUAWEI-GigabitEthernet0/1/0] isis ipv6 enable 1 [*HUAWEI-GigabitEthernet0/1/0] isis ipv6 bfd static